WASHED KAOLIN FOR CERAMICS

RTC-W90A: Particles < 2 μm:≥50  Screen residue +325mesh: ≤0.5        Fired whiteness:≥90          PH:4-6        Moisture: Filter Cake Shape 30±1%,Powder 2%                 SiO₂ ≤49.0             Al₂O₃  ≥35.0

Fe₂O₃ ≤0.3   TiO₂:≤0.05  K₂O:1.50  Na₂O:0.1                           CaO:0.1   MgO:0.15              Lg(LOS): ≤14.0

RTC-W90B: Particles < 2 μm:≥80  Screen residue +325mesh:≤0.1    Fired whiteness:≥89                 PH:4-6        Moisture: Filter Cake Shape 30±1%,Powder 2%                 SiO₂≤46.5             Al₂O₃ ≥36.5  Fe₂O₃ ≤0.55                              TiO₂ ≤0.1   K₂O:1.50    Na₂O:0.1     CaO:0.1         MgO:0.15                            Lg (LOS): ≤14.0

RTC-W88:Particles < 2 μm:≥50  Screen residue +325mesh:≤0.5            Fired whiteness:≥88               PH:4-6     Moisture: Filter Cake Shape 30±1%,Powder 2%                 SiO₂ ≤49.5             Al₂O₃ ≥36.0  Fe₂O₃ ≤0.7TiO₂≤0.15               K₂O:1.50     Na₂O:0.1  CaO:0.1       MgO:0.15      Lg (LOS): ≤13.5

RTC-W85:Particles < 2 μm:≥50  Screen residue +325mesh:≤0.5            Fired whiteness:≥85               PH:4-6     Moisture :Filter Cake Shape 30±1%,Powder 2%                 SiO₂ ≤49.5             Al₂O₃  ≥35.5Fe₂O₃ ≤0.8  TiO₂                      ≤0.15  K₂O:1.50         Na₂O:0.1     CaO:0.1         MgO:0.15                            Lg (LOS) :≤13.5

RTC-W82: Particles < 2 μm: ≥45  Screen residue +325mesh: ≤0.5         Fired whiteness: ≥82              PH: 4-6    Moisture :Filter Cake Shape 30±1%,Powder 2%                SiO₂ ≤50                Al₂O₃  ≥35.5

Fe₂O₃ ≤0.95  TiO₂ ≤0.2              K₂O: 1.50           Na₂O: 0.1       CaO: 0.1   MgO: 0.15             Lg (LOS) : ≤13.0

RTC-W78: Particles < 2 μm: ≥35  Screen residue +325mesh: ≤1.0         Fired whiteness: ≥78  PH: 4-6              Moisture :Filter Cake Shape 30±1%,Powder 2%                SiO₂ ≤52                Al₂O₃ ≥33.0

Fe₂O₃ ≤1.05   TiO₂ ≤0.2             K₂O: 1.50           Na₂O: 0.1       CaO: 0.1   MgO: 0.15            Lg (LOS) : ≤13.0